Remapping class numbers:
	0 To 1
	1 To 2
	2 To 3
Pruned decision tree written to data/csv/pittsburg-bridges-REL-L.csv.dt.
Unpruned decision tree written to data/csv/pittsburg-bridges-REL-L.csv.dt.unpruned.
fold 1: acc. = 50.00	#leaves = 2	max. depth = 1
fold 2: acc. = 50.00	#leaves = 21	max. depth = 9
fold 3: acc. = 75.00	#leaves = 21	max. depth = 9
fold 4: acc. = 60.00	#leaves = 21	max. depth = 10
fold 5: acc. = 69.57	#leaves = 20	max. depth = 6
accuracy = 61.17	#leaves = 17.00	max depth = 7.00